US4418612A - Power transmission - Google Patents
Power transmission Download PDFInfo
- Publication number
- US4418612A US4418612A US06/267,853 US26785381A US4418612A US 4418612 A US4418612 A US 4418612A US 26785381 A US26785381 A US 26785381A US 4418612 A US4418612 A US 4418612A
- Authority
- US
- United States
- Prior art keywords
- valve
- actuator
- meter
- pilot
- check valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/01—Locking-valves or other detent i.e. load-holding devices
- F15B13/015—Locking-valves or other detent i.e. load-holding devices using an enclosed pilot flow valve
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims (6)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/267,853 US4418612A (en) | 1981-05-28 | 1981-05-28 | Power transmission |
CA000400186A CA1168957A (en) | 1981-05-28 | 1982-03-31 | Power transmission |
MX192423A MX155455A (en) | 1981-05-28 | 1982-04-26 | IMPROVEMENTS IN THE HYDRAULIC SYSTEM FOR THE MANAGEMENT OF CRANES AND THE LIKE |
AU83231/82A AU552064B2 (en) | 1981-05-28 | 1982-05-03 | Actuator with anti-drift control system |
NZ200516A NZ200516A (en) | 1981-05-28 | 1982-05-04 | Hydraulic control system with pilot operated check valve |
JP57079817A JPS57200704A (en) | 1981-05-28 | 1982-05-12 | Power transmitting apparatus |
DE8282104214T DE3269048D1 (en) | 1981-05-28 | 1982-05-14 | Hydraulic control system comprising a pilot operated check valve |
EP82104214A EP0066151B1 (en) | 1981-05-28 | 1982-05-14 | Hydraulic control system comprising a pilot operated check valve |
IN540/CAL/82A IN155800B (en) | 1981-05-28 | 1982-05-14 | |
BR8203096A BR8203096A (en) | 1981-05-28 | 1982-05-27 | HYDRAULIC SYSTEM |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/267,853 US4418612A (en) | 1981-05-28 | 1981-05-28 | Power transmission |
Publications (1)
Publication Number | Publication Date |
---|---|
US4418612A true US4418612A (en) | 1983-12-06 |
Family
ID=23020403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/267,853 Expired - Lifetime US4418612A (en) | 1981-05-28 | 1981-05-28 | Power transmission |
Country Status (10)
Country | Link |
---|---|
US (1) | US4418612A (en) |
EP (1) | EP0066151B1 (en) |
JP (1) | JPS57200704A (en) |
AU (1) | AU552064B2 (en) |
BR (1) | BR8203096A (en) |
CA (1) | CA1168957A (en) |
DE (1) | DE3269048D1 (en) |
IN (1) | IN155800B (en) |
MX (1) | MX155455A (en) |
NZ (1) | NZ200516A (en) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4667571A (en) * | 1981-08-21 | 1987-05-26 | Vickers, Incorporated | Hydraulic control system |
US4768420A (en) * | 1986-04-04 | 1988-09-06 | Ernst Korthaus | Control arrangement for controlling a hydraulic drive for driving a piston pump |
EP0304911A2 (en) * | 1987-08-28 | 1989-03-01 | Vickers Incorporated | Hydraulic control system |
US4972761A (en) * | 1988-01-07 | 1990-11-27 | Danfoss A/S | Hydraulic safety brake valve arrangement for load lowering |
US5117935A (en) * | 1990-12-21 | 1992-06-02 | Caterpillar Inc. | Load sensing hydrostatic steering system |
US6098647A (en) * | 1996-02-28 | 2000-08-08 | Beringer-Hydraulik Ag | Load-holding brake valve |
US6282893B1 (en) | 1999-08-19 | 2001-09-04 | Delaware Capital Formation, Inc. | Self-contained actuator |
US6516706B2 (en) * | 1999-08-19 | 2003-02-11 | Delaware Capital Formation, Inc. | Actuator having internal valve structure |
US6644169B2 (en) * | 1998-02-04 | 2003-11-11 | Linde Aktiengesellschaft | Control valve system for the hydraulic work system of a work vehicle |
FR2859252A1 (en) * | 2003-09-03 | 2005-03-04 | Sauer Danfoss Aps | VALVE DEVICE AND HYDRAULIC CONTROL UNIT |
GB2406363A (en) * | 2003-09-24 | 2005-03-30 | Sauer Danfoss Aps | Supply and tank hydraulic valves with position sensor |
US20050257519A1 (en) * | 2004-05-19 | 2005-11-24 | Sauer-Danfoss Aps | Hydraulic valve arrangement |
CN100334361C (en) * | 2004-07-06 | 2007-08-29 | 株式会社三千里机械 | Hydraulic cylinder |
US9429174B1 (en) * | 2013-03-15 | 2016-08-30 | Clark Equipment Company | Enabling valve having separate float and lift down positions |
CN106062382A (en) * | 2014-03-06 | 2016-10-26 | 费斯托股份有限两合公司 | Valve assembly |
CN106704283A (en) * | 2017-02-17 | 2017-05-24 | 洛阳理工学院 | Low-loss damping pilot-type sequence valve |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5917074A (en) * | 1982-07-16 | 1984-01-28 | Hitachi Constr Mach Co Ltd | Logic valve |
US5331882A (en) * | 1993-04-05 | 1994-07-26 | Deere & Company | Control valve system with float valve |
GB9315778D0 (en) * | 1993-07-30 | 1993-09-15 | Pridham Peter W | Proportional control hydraulic valves |
AU2003100983A4 (en) * | 2003-12-01 | 2004-01-29 | Norman Ian Mathers | Valve Assembly for a Hydraulic Cylinder Assembly |
CN106122142B (en) * | 2016-06-24 | 2018-08-17 | 平高集团有限公司 | Integrated form hydraulic control one-way valve |
CN106050780B (en) * | 2016-07-19 | 2017-10-31 | 黄培泉 | A kind of flow type balanced valve |
CN105971965B (en) * | 2016-07-19 | 2017-12-19 | 江苏源达机械科技有限公司 | Flow type balanced valve |
JP7211687B2 (en) * | 2018-10-17 | 2023-01-24 | キャタピラー エス エー アール エル | Anti-descent valve gear, blade gear and working machines |
CN115013561B (en) * | 2022-08-09 | 2022-11-11 | 宁波佳尔灵气动机械有限公司 | Electromagnetic valve with safety mode |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3964505A (en) * | 1975-02-10 | 1976-06-22 | Sperry Rand Corporation | Power transmission |
US3972267A (en) * | 1975-03-05 | 1976-08-03 | Caterpillar Tractor Co. | Overruning load control for hydraulic jacks |
US4006667A (en) * | 1972-04-17 | 1977-02-08 | Caterpillar Tractor Co. | Hydraulic control system for load supporting hydraulic motors |
US4138929A (en) * | 1977-10-17 | 1979-02-13 | Caterpillar Tractor Co. | Pressure responsive check valve |
US4201052A (en) * | 1979-03-26 | 1980-05-06 | Sperry Rand Corporation | Power transmission |
US4353289A (en) * | 1980-05-29 | 1982-10-12 | Sperry Corporation | Power transmission |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3613508A (en) * | 1970-07-27 | 1971-10-19 | Cessna Aircraft Co | Hydraulic valve |
US3807175A (en) * | 1970-11-23 | 1974-04-30 | P Kubik | Fluid system having positive vertical hold means |
FR2328910A1 (en) * | 1975-10-22 | 1977-05-20 | Poclain Sa | COMPOSITE PILOT VALVE |
DE2735558A1 (en) * | 1977-08-06 | 1979-02-15 | Bosch Gmbh Robert | CONTROL UNIT FOR HYDRAULIC WORK EQUIPMENT |
US4250794A (en) * | 1978-03-31 | 1981-02-17 | Caterpillar Tractor Co. | High pressure hydraulic system |
DE2911891C2 (en) * | 1979-03-26 | 1983-10-13 | Mannesmann Rexroth GmbH, 8770 Lohr | Device for controlling a hydraulic motor |
-
1981
- 1981-05-28 US US06/267,853 patent/US4418612A/en not_active Expired - Lifetime
-
1982
- 1982-03-31 CA CA000400186A patent/CA1168957A/en not_active Expired
- 1982-04-26 MX MX192423A patent/MX155455A/en unknown
- 1982-05-03 AU AU83231/82A patent/AU552064B2/en not_active Ceased
- 1982-05-04 NZ NZ200516A patent/NZ200516A/en unknown
- 1982-05-12 JP JP57079817A patent/JPS57200704A/en active Granted
- 1982-05-14 IN IN540/CAL/82A patent/IN155800B/en unknown
- 1982-05-14 DE DE8282104214T patent/DE3269048D1/en not_active Expired
- 1982-05-14 EP EP82104214A patent/EP0066151B1/en not_active Expired
- 1982-05-27 BR BR8203096A patent/BR8203096A/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4006667A (en) * | 1972-04-17 | 1977-02-08 | Caterpillar Tractor Co. | Hydraulic control system for load supporting hydraulic motors |
US3964505A (en) * | 1975-02-10 | 1976-06-22 | Sperry Rand Corporation | Power transmission |
US3972267A (en) * | 1975-03-05 | 1976-08-03 | Caterpillar Tractor Co. | Overruning load control for hydraulic jacks |
US4138929A (en) * | 1977-10-17 | 1979-02-13 | Caterpillar Tractor Co. | Pressure responsive check valve |
US4201052A (en) * | 1979-03-26 | 1980-05-06 | Sperry Rand Corporation | Power transmission |
US4353289A (en) * | 1980-05-29 | 1982-10-12 | Sperry Corporation | Power transmission |
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4667571A (en) * | 1981-08-21 | 1987-05-26 | Vickers, Incorporated | Hydraulic control system |
US4768420A (en) * | 1986-04-04 | 1988-09-06 | Ernst Korthaus | Control arrangement for controlling a hydraulic drive for driving a piston pump |
EP0304911A2 (en) * | 1987-08-28 | 1989-03-01 | Vickers Incorporated | Hydraulic control system |
EP0304911B1 (en) * | 1987-08-28 | 1993-04-28 | Vickers Incorporated | Hydraulic control system |
US4972761A (en) * | 1988-01-07 | 1990-11-27 | Danfoss A/S | Hydraulic safety brake valve arrangement for load lowering |
US5117935A (en) * | 1990-12-21 | 1992-06-02 | Caterpillar Inc. | Load sensing hydrostatic steering system |
US6098647A (en) * | 1996-02-28 | 2000-08-08 | Beringer-Hydraulik Ag | Load-holding brake valve |
US6644169B2 (en) * | 1998-02-04 | 2003-11-11 | Linde Aktiengesellschaft | Control valve system for the hydraulic work system of a work vehicle |
US6282893B1 (en) | 1999-08-19 | 2001-09-04 | Delaware Capital Formation, Inc. | Self-contained actuator |
US6516706B2 (en) * | 1999-08-19 | 2003-02-11 | Delaware Capital Formation, Inc. | Actuator having internal valve structure |
US6530220B2 (en) | 1999-08-19 | 2003-03-11 | Delaware Capital Formation, Inc. | Elongated self-contained actuator |
GB2405674A (en) * | 2003-09-03 | 2005-03-09 | Sauer Danfoss Aps | Valve arrangement and hydraulic actuator |
CN100366920C (en) * | 2003-09-03 | 2008-02-06 | 索尔-丹福斯股份有限公司 | Valve arrangement and hydraulic drive |
FR2859252A1 (en) * | 2003-09-03 | 2005-03-04 | Sauer Danfoss Aps | VALVE DEVICE AND HYDRAULIC CONTROL UNIT |
GB2405674B (en) * | 2003-09-03 | 2006-12-20 | Sauer Danfoss Aps | Valve arrangement and hydraulic actuator |
CN1325805C (en) * | 2003-09-24 | 2007-07-11 | 索尔-丹福斯股份有限公司 | Hydraulic valves |
GB2406363A (en) * | 2003-09-24 | 2005-03-30 | Sauer Danfoss Aps | Supply and tank hydraulic valves with position sensor |
GB2406363B (en) * | 2003-09-24 | 2006-08-16 | Sauer Danfoss Aps | Hydraulic valve arrangement |
DE102004025322A1 (en) * | 2004-05-19 | 2005-12-15 | Sauer-Danfoss Aps | Hydraulic valve arrangement |
US20050257519A1 (en) * | 2004-05-19 | 2005-11-24 | Sauer-Danfoss Aps | Hydraulic valve arrangement |
US7328646B2 (en) | 2004-05-19 | 2008-02-12 | Sauer-Danfoss Aps | Hydraulic valve arrangement |
CN100334361C (en) * | 2004-07-06 | 2007-08-29 | 株式会社三千里机械 | Hydraulic cylinder |
US9429174B1 (en) * | 2013-03-15 | 2016-08-30 | Clark Equipment Company | Enabling valve having separate float and lift down positions |
CN106062382A (en) * | 2014-03-06 | 2016-10-26 | 费斯托股份有限两合公司 | Valve assembly |
CN106062382B (en) * | 2014-03-06 | 2018-11-27 | 费斯托股份有限两合公司 | Valve module |
CN106704283A (en) * | 2017-02-17 | 2017-05-24 | 洛阳理工学院 | Low-loss damping pilot-type sequence valve |
CN106704283B (en) * | 2017-02-17 | 2018-03-20 | 洛阳理工学院 | A kind of low-loss and the guide type sequence valve of vibration damping |
Also Published As
Publication number | Publication date |
---|---|
AU552064B2 (en) | 1986-05-22 |
AU8323182A (en) | 1982-12-02 |
EP0066151A2 (en) | 1982-12-08 |
MX155455A (en) | 1988-03-11 |
BR8203096A (en) | 1983-06-07 |
JPH0229881B2 (en) | 1990-07-03 |
JPS57200704A (en) | 1982-12-09 |
NZ200516A (en) | 1985-03-20 |
IN155800B (en) | 1985-03-09 |
EP0066151A3 (en) | 1983-10-12 |
CA1168957A (en) | 1984-06-12 |
EP0066151B1 (en) | 1986-02-12 |
DE3269048D1 (en) | 1986-03-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4418612A (en) | Power transmission | |
US4201052A (en) | Power transmission | |
US4480527A (en) | Power transmission | |
US4724673A (en) | Power transmission | |
US4407122A (en) | Power transmission | |
EP0160289A2 (en) | Hydraulic control system | |
US4353289A (en) | Power transmission | |
US4751866A (en) | Ratio valve to control unloading of modulating relief valve | |
CA1103127A (en) | Combination check and flow control valve for hydraulic systems | |
US4611528A (en) | Power transmission | |
US4753157A (en) | Power transmission | |
GB1599196A (en) | Control apparatus for an hydraulic working implement | |
CA1142057A (en) | Power transmission | |
GB2199115A (en) | Spool valve | |
US4058139A (en) | Load responsive fluid control valves | |
US5799485A (en) | Electrohydraulic control device for double-acting consumer | |
EP0080135B1 (en) | Hydraulic control system for a hydraulic actuator | |
GB2181519A (en) | Spool valve | |
US4811650A (en) | Power transmission | |
GB1581921A (en) | Load-responsive direction and flow control valve | |
EP0160265A2 (en) | Hydraulic control system | |
GB2041852A (en) | Pressure-compensated directional control valve for power steering systems | |
CA1260803A (en) | Power transmission | |
US5272959A (en) | Power transmission | |
GB1560339A (en) | Load responsive fluid control system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: SPERRY CORPORATION, TROY, MI. A CORP. OF DE. Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:NANDA, VINOD K.;REEL/FRAME:003892/0947 Effective date: 19810522 |
|
AS | Assignment |
Owner name: VICKERS, INCORPORATED, TROY, MI A CORP.OF DE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SPERRY CORPORATION A CORP.OF DE;REEL/FRAME:004079/0239 Effective date: 19830103 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, PL 96-517 (ORIGINAL EVENT CODE: M170); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Year of fee payment: 4 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FEPP | Fee payment procedure |
Free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FEPP | Fee payment procedure |
Free format text: SURCHARGE FOR LATE PAYMENT, PL 96-517 (ORIGINAL EVENT CODE: M176); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, PL 96-517 (ORIGINAL EVENT CODE: M171); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Year of fee payment: 8 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 12TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M185); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Year of fee payment: 12 |